There is no solid evidence to support any amount of vitamin C during pregnancy.
Read this site from the National Institute of Health:
http://www.nlm.nih.gov/medlineplus/druginfo/natural/patient-vitaminc.html
The normal recommended amount of Vitamin C is 1,000 milligrams (mg) per day for non-pregnant women. During pregnancy how much vitamin c does a pregnant woman need?
1 answer